Licensed Projects: Technology import and export; Import and export of goods; Various engineering construction activities。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Information technology consulting services; Sales of coal and its products, Metal structure sales, Metal material sales, Timber sales, Building materials sales,Chemical product sales( Does not contain permitted chemical products), Sales of water pollutant monitoring and detection instruments, Hardware product retail, Sales of metal parts for construction, Sales of spare parts for water transport equipment, Pump and vacuum equipment sales, Sales of architectural ceramic products, Sales of Class I medical devices, Sales of Class II medical devices, Wholesale of protective equipment for medical staff, Retail of protective equipment for medical staff, Daily necessities sales, Lubricant sales, Electronics sales, Communications equipment sales, Auto parts retail, Machinery and equipment rental, Software Development, Home appliance installation services。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)